diff options
Diffstat (limited to 'synapse/rest/client')
| -rw-r--r-- | synapse/rest/client/room.py | 35 |
1 files changed, 26 insertions, 9 deletions
diff --git a/synapse/rest/client/room.py b/synapse/rest/client/room.py index c0705d4291..7699cc8d1b 100644 --- a/synapse/rest/client/room.py +++ b/synapse/rest/client/room.py @@ -1096,6 +1096,7 @@ class RoomRedactEventRestServlet(TransactionRestServlet): super().__init__(hs) self.event_creation_handler = hs.get_event_creation_handler() self.auth = hs.get_auth() + self._store = hs.get_datastores().main self._relation_handler = hs.get_relations_handler() self._msc3912_enabled = hs.config.experimental.msc3912_enabled @@ -1113,6 +1114,19 @@ class RoomRedactEventRestServlet(TransactionRestServlet): ) -> Tuple[int, JsonDict]: content = parse_json_object_from_request(request) + # Ensure the redacts property in the content matches the one provided in + # the URL. + room_version = await self._store.get_room_version(room_id) + if room_version.msc2176_redaction_rules: + if "redacts" in content and content["redacts"] != event_id: + raise SynapseError( + 400, + "Cannot provide a redacts value incoherent with the event_id of the URL parameter", + Codes.INVALID_PARAM, + ) + else: + content["redacts"] = event_id + try: with_relations = None if self._msc3912_enabled and "org.matrix.msc3912.with_relations" in content: @@ -1128,20 +1142,23 @@ class RoomRedactEventRestServlet(TransactionRestServlet): requester, txn_id, room_id ) + # Event is not yet redacted, create a new event to redact it. if event is None: + event_dict = { + "type": EventTypes.Redaction, + "content": content, + "room_id": room_id, + "sender": requester.user.to_string(), + } + # Earlier room versions had a top-level redacts property. + if not room_version.msc2176_redaction_rules: + event_dict["redacts"] = event_id + ( event, _, ) = await self.event_creation_handler.create_and_send_nonmember_event( - requester, - { - "type": EventTypes.Redaction, - "content": content, - "room_id": room_id, - "sender": requester.user.to_string(), - "redacts": event_id, - }, - txn_id=txn_id, + requester, event_dict, txn_id=txn_id ) if with_relations: |